import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.Locale;
import java.util.stream.Stream;
public class Main {
public static void main
(String[] args
) { DateTimeFormatter dtf
= DateTimeFormatter.
ofPattern("[uuuu-MM-dd][M/dd/uuuu]",
Locale.
ENGLISH);
// Test
Stream.of(
"2021-11-09",
"11/09/2021",
"5/09/2021"
).
forEach(s
-> System.
out.
println(LocalDate.
parse(s, dtf
))); }
}
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